Lifetimes of 214Po and 212Po measured with counting test facility at Gran Sasso National Laboratory
- L. Miramonti
- G. Bellini
- J. Benziger
- D. Bick
- G. Bonfini
- D. Bravo
- M. Buizza Avanzini
- B. Caccianiga
- L. Cadonati
- F. Calaprice
- C. Carraro
- P. Cavalcante
- A. Chavarria
- V. Chubakov
- D. D&apos
- S. Davini
- A. Derbin
- A. Etenko
- K. Fomenko
- D. Franco
- C. Galbiati
- S. Gazzana
- C. Ghiano
- M. Giammarchi
- M. Gö
- A. Goretti
- L. Grandi
- E. Guardincerri
- S. Hardy
- A. Ianni
- A. Ianni
- V. Kobychev
- D. Korablev
- G. Korga
- Y. Koshio
- D. Kryn
- M. Laubenstein
- T. Lewke
- M. Lissia
- E. Litvinovich
- B. Loer
- F. Lombardi
- P. Lombardi
- L. Ludhova
- I. Machulin
- S. Manecki
- W. Maneschg
- F. Mantovani
- G. Manuzio
- Q. Meindl
- E. Meroni
- M. Misiaszek
- D. Montanari
- P. Mosteiro
- V. Muratova
- S. Nisi
- L. Oberauer
- M. Obolensky
- F. Ortica
- K. Otis
- M. Pallavicini
- L. Papp
- L. Perasso
- S. Perasso
- A. Pocar
- G. Ranucci
- A. Razeto
- A. Re
- A. Romani
- N. Rossi
- A. Sabelnikov
- R. Saldanha
- C. Salvo
- S. Schö
- H. Simgen
- M. Skorokhvatov
- O. Smirnov
- A. Sotnikov
- S. Sukhotin
- Y. Suvorov
- R. Tartaglia
- G. Testera
- D. Vignaud
- R.B. Vogelaar
- F. von Feilitzsch
- J. Winter
- M. Wojcik
- A. Wright
- M. Wurm
- G. Xhixha
- J. Xu
- O. Zaimidoroga
- S. Zavatarelli
- G. Zuzel
DOIAbstract
The decays of 214Po into 210Pb and of 212Po into 208Pb tagged by the previous decays from 214Bi and 212Bi have been studied inserting quartz vials inside the Counting Test Facility (CTF) at the underground laboratory in Gran Sasso (LNGS). We find that the mean lifetime of 214Po is (236.00\ua0\ub1\ua00.42(stat)\ua0\ub1\ua00.15(syst)) \u3bcs and that of 212Po is (425.1\ua0\ub1\ua00.9(stat)\ua0\ub1\ua01.2(syst)) ns. Our results are compatible with previous measurements, have a much better signal to background ratio, and reduce the overall uncertainties
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